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<span class="target" id="module-eventmq.router"></span><div class="section" id="router-router">
<h1><code class="xref py py-mod docutils literal"><span class="pre">router</span></code> – Router<a class="headerlink" href="#router-router" title="Permalink to this headline">¶</a></h1>
<p>Routes messages to workers (that are in named queues).</p>
<dl class="class">
<dt id="eventmq.router.Router">
<em class="property">class </em><code class="descclassname">eventmq.router.</code><code class="descname">Router</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#eventmq.router.Router" title="Permalink to this definition">¶</a></dt>
<dd><p>A simple router of messages</p>
<p>This router uses tornado’s eventloop.</p>
<dl class="attribute">
<dt id="eventmq.router.Router.__weakref__">
<code class="descname">__weakref__</code><a class="headerlink" href="#eventmq.router.Router.__weakref__" title="Permalink to this definition">¶</a></dt>
<dd><p>list of weak references to the object (if defined)</p>
</dd></dl>
<dl class="method">
<dt id="eventmq.router.Router.on_inform">
<code class="descname">on_inform</code><span class="sig-paren">(</span><em>sender</em>, <em>msgid</em>, <em>msg</em><span class="sig-paren">)</span><a class="headerlink" href="#eventmq.router.Router.on_inform" title="Permalink to this definition">¶</a></dt>
<dd><p>Handles an INFORM message. Usually when new worker coming online</p>
</dd></dl>
<dl class="method">
<dt id="eventmq.router.Router.on_receive_reply">
<code class="descname">on_receive_reply</code><span class="sig-paren">(</span><em>msg</em><span class="sig-paren">)</span><a class="headerlink" href="#eventmq.router.Router.on_receive_reply" title="Permalink to this definition">¶</a></dt>
<dd><p>This method is called when a message comes in from the worker socket.
It then calls <cite>on_command</cite>. If <cite>on_command</cite> isn’t found, then a warning
is created.</p>
<dl class="docutils">
<dt>def on_inform(msg):</dt>
<dd>pass</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="eventmq.router.Router.on_receive_request">
<code class="descname">on_receive_request</code><span class="sig-paren">(</span><em>msg</em><span class="sig-paren">)</span><a class="headerlink" href="#eventmq.router.Router.on_receive_request" title="Permalink to this definition">¶</a></dt>
<dd><p>This function is called when a message comes in from the client socket.
It then calls <cite>on_command</cite>. If <cite>on_command</cite> isn’t found, then a
warning is created.</p>
</dd></dl>
<dl class="method">
<dt id="eventmq.router.Router.send_ack">
<code class="descname">send_ack</code><span class="sig-paren">(</span><em>socket</em>, <em>recipient</em><span class="sig-paren">)</span><a class="headerlink" href="#eventmq.router.Router.send_ack" title="Permalink to this definition">¶</a></dt>
<dd><p>Sends an ACK response</p>
</dd></dl>
<dl class="method">
<dt id="eventmq.router.Router.start">
<code class="descname">start</code><span class="sig-paren">(</span><em>frontend_addr='tcp://127.0.0.1:47290'</em>, <em>backend_addr='tcp://127.0.0.1:47291'</em><span class="sig-paren">)</span><a class="headerlink" href="#eventmq.router.Router.start" title="Permalink to this definition">¶</a></dt>
<dd><p>Begin listening for connections on the provided connection strings</p>
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>frontend_addr</strong> (<a class="reference external" href="https://docs.python.org/library/functions.html#str" title="(in Python v2.7)"><em>str</em></a>) – connection string to listen for requests</li>
<li><strong>backend_addr</strong> (<a class="reference external" href="https://docs.python.org/library/functions.html#str" title="(in Python v2.7)"><em>str</em></a>) – connection string to listen for workers</li>
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